Cool
Really cool app! But in your last update you can no longer move the screen up and down. As I have an iphone SE I can no longer see some of the data
Free
About
This utility app calculates drill-stem load capacities based on API connections and sizes. It also provides makeup torque and tensile capacity, as well as tensile and torsion capacities for drill pipe tubes.
✓Drill-stem load capacity calculation
✓API connection selection
✓Makeup torque calculation
✓Tensile capacity calculation
✓Drill pipe tube capacities
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What's New in Drillstring Toolbox
3.4
February 12, 2026
A few small updates: we've added non-preferred connections (those weird ones that API Spec 7-2 knows exist but doesn't want to encourage), and we've updated our contact information a bit.
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FAQ
What is Drillstring Toolbox used for?
Drillstring Toolbox is a free calculator designed to provide users with essential drill-stem load capacities. It helps determine recommended makeup torque and tensile capacity based on API connections and sizes.
Can Drillstring Toolbox calculate capacities for drill pipe tubes?
Yes, Drillstring Toolbox includes a "Tube" tab that allows users to find the tensile and torsion capacities specifically for drill pipe tubes.
What devices is Drillstring Toolbox available on?
Drillstring Toolbox is supported on iPhone, iPad, and iPod devices.
Is Drillstring Toolbox free to use?
Yes, Drillstring Toolbox is completely free to download and use, with no in-app purchases or advertisements.
What is the age rating for Drillstring Toolbox?
Drillstring Toolbox has an age rating of 4+, making it suitable for a wide range of users.
How often is Drillstring Toolbox updated?
The latest version of Drillstring Toolbox is 3.4, and it was last updated on February 12, 2026. This indicates a commitment to maintaining and improving the application.
What is the user rating for Drillstring Toolbox?
Drillstring Toolbox has a user rating of 3.3 stars based on 3 ratings. This suggests a generally positive but mixed reception from its current user base.
Who developed Drillstring Toolbox?
Drillstring Toolbox was developed by Bureau Veritas North America, Inc., a company likely experienced in industrial and technical applications.
